Letter in reply to the letter of July 23, 1979 - will be happy to rhave the Russian translation of his paper "Origins of Recursive Function Theory"; sends "Annals of the History of Computing", January 1981 with his article in it, and a repront of same paper. Date: 17.08.1981 Original document language: English Authors: Stephen C. Kleene Addressee: Andrei Petrovich Ershov
